reaction motor

简明释义

反作用式发动机

英英释义

例句

1.A small reaction motor can provide thrust for tiny drones.

一个小型的反应发动机可以为微型无人机提供推力。

2.The spacecraft uses a reaction motor to maneuver in space.

这艘宇宙飞船使用反应发动机在太空中进行机动。

3.In satellite technology, a reaction motor is essential for orbit adjustments.

在卫星技术中，反应发动机对轨道调整至关重要。

4.Engineers designed a new reaction motor for improved efficiency.

工程师们设计了一种新的反应发动机以提高效率。

5.The reaction motor operates by expelling gas in the opposite direction.

该反应发动机通过向相反方向排放气体来运作。

作文

In the realm of aerospace engineering, the term reaction motor refers to a type of propulsion system that generates thrust through the expulsion of mass. This concept is fundamental to understanding how spacecraft and rockets operate in the vacuum of space. Unlike traditional engines that rely on atmospheric pressure to function, reaction motors utilize Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. This principle is crucial for the movement of vehicles in an environment devoid of air.The design of a reaction motor typically involves a combustion chamber where fuel is burned to produce high-pressure gases. These gases are then expelled at high velocity through a nozzle, creating thrust that propels the vehicle forward. This method of propulsion is not only efficient but also allows for precise maneuvering in space. For instance, satellites equipped with reaction motors can adjust their orbits or orientations with remarkable accuracy, ensuring they remain functional and effective in their missions.One of the most notable examples of a reaction motor is the rocket engine used in space shuttles. These engines are designed to operate in the harsh conditions of space, where there is no oxygen to support combustion. Instead, they carry both fuel and an oxidizer, allowing them to generate thrust even in the vacuum of space. The ability of reaction motors to function independently of atmospheric conditions makes them indispensable for space exploration.Moreover, reaction motors are not limited to large spacecraft; they also play a critical role in smaller vehicles such as drones and missiles. In these applications, the efficiency and responsiveness of reaction motors can significantly enhance performance. For example, military drones often utilize advanced reaction motor systems to achieve swift maneuvers and maintain stability during flight, which is essential for reconnaissance and combat operations.The development of reaction motors has evolved significantly over the years. Engineers continuously seek to improve the efficiency and reliability of these systems. Innovations such as electric propulsion, which uses electric power to accelerate ions and produce thrust, represent the next frontier in reaction motor technology. These advancements promise to reduce fuel consumption and increase the lifespan of spacecraft, making space travel more sustainable and cost-effective.In conclusion, the significance of reaction motors in modern engineering cannot be overstated. From enabling space exploration to enhancing the capabilities of unmanned aerial vehicles, reaction motors are at the heart of many technological advancements. Understanding the principles behind these propulsion systems not only enriches our knowledge of physics but also inspires future innovations in aerospace technology. As we look to the stars, the role of reaction motors will undoubtedly continue to grow, paving the way for new discoveries and adventures beyond our planet.

在航空航天工程领域，术语反应马达指的是一种通过排放物质产生推力的推进系统。这个概念对于理解航天器和火箭如何在真空中运行至关重要。与传统依赖大气压力运作的发动机不同，反应马达利用牛顿第三运动定律，该定律指出每一个作用都有一个相等且相反的反作用。这一原理对于在没有空气的环境中移动车辆至关重要。反应马达的设计通常包括一个燃烧室，在那里燃料被燃烧以产生高压气体。这些气体随后通过喷嘴以高速度排出，产生推动车辆前进的推力。这种推进方法不仅高效，而且允许在太空中进行精确操控。例如，配备有反应马达的卫星可以以惊人的准确性调整其轨道或方向，确保它们在任务中保持功能和有效性。一个最显著的反应马达例子是用于航天飞机的火箭发动机。这些发动机设计用于在太空的恶劣条件下工作，在那里没有氧气支持燃烧。相反，它们携带燃料和氧化剂，使其能够在太空真空中产生推力。反应马达独立于大气条件工作的能力使其在太空探索中不可或缺。此外，反应马达不仅限于大型航天器；它们也在小型飞行器如无人机和导弹中发挥着关键作用。在这些应用中，反应马达的效率和响应性可以显著提高性能。例如，军事无人机通常利用先进的反应马达系统快速机动并在飞行中保持稳定，这对于侦察和战斗行动至关重要。反应马达的发展多年来发生了显著变化。工程师们不断寻求提高这些系统的效率和可靠性。电推进等创新利用电能加速离子并产生推力，代表了反应马达技术的下一个前沿。这些进步承诺减少燃料消耗并增加航天器的使用寿命，使太空旅行更加可持续和经济。总之，现代工程中反应马达的重要性不容小觑。从推动太空探索到增强无人驾驶飞行器的能力，反应马达是许多技术进步的核心。理解这些推进系统背后的原理不仅丰富了我们对物理学的知识，也激励了航空航天技术未来的创新。当我们展望星空时，反应马达的作用无疑将继续增长，为我们在地球之外的新发现和冒险铺平道路。